Prepare for frigid temperatures at high elevations with The North Face Catalyst Micro Jacket, an 800-fill goose down insulated jacket that can be worn as a sleek midlayer in the coldest mountain environments, or compressed into its pocket and carried as an emergency layer. Part of the Summit Series, the Catalyst Jacket features water-resistant down and offers outstanding warmth, even if you’re exposed to moisture during your assault on the summit. Densely woven Pertex Quantum exterior is lightweight and breathable, yet durable enough to withstand seasons of wear and tear. FlashDry underarm panels maintain mobility while securing skins to the bottoms of your skis or wielding climbing tools.